4 ms·

This also is a problem for python and others stacks, or only for ruby?

• habosa 14y ago
  It's a problem for anyone using a web framework/server combo that does't allow for concurrent requests on a single dyno. The most common such combination is Ruby on Rails/Thin Webserver, which is (I believe) the most commonly deployed app configuration on Heroku by a mile.
  • praptak 14y ago
    > It's a problem for anyone using a web framework/server combo that does't allow for concurrent requests on a single dyno. Or one that allows only k concurrent requests with a routing mesh that schedules m>k per server (dyno) or at least does that often enough. Even with unlimited concurrent requests per server, similar problems may arise if the performance drops sharply with the number of concurrent requests being served (e.g. due to swapping.)